// Copyright (c) 2014 Jonathan Magnan (http://jonathanmagnan.com).
// All rights reserved (http://jonathanmagnan.com/extension-methods-library).
// Licensed under MIT License (MIT) (http://zextensionmethods.codeplex.com/license).

using System.Collections.Generic;
using System.Data;
using System.Dynamic;

#if EXTENSIONMETHODS_WITHNAMESPACE
namespace JHSoft.Extension.ExtensionMethods
{
#endif
#if EXTENSIONMETHODS_INTERNAL
    internal static partial class DataTableExtensions
#else
    public static partial class DataTableExtensions
#endif
    {
        /// <summary>
        ///     Enumerates to expando objects in this collection.
        /// </summary>
        /// <param name="this">The @this to act on.</param>
        /// <returns>@this as an IEnumerable&lt;dynamic&gt;</returns>
        /// ###
        /// <typeparam name="T">Generic type parameter.</typeparam>
        public static IEnumerable<dynamic> ToExpandoObjects(this DataTable @this)
        {
            var list = new List<dynamic>();

            foreach (DataRow dr in @this.Rows)
            {
                dynamic entity = new ExpandoObject();
                var expandoDict = (IDictionary<string, object>) entity;

                foreach (DataColumn column in @this.Columns)
                {
                    expandoDict.Add(column.ColumnName, dr[column]);
                }


                list.Add(entity);
            }

            return list;
        }
    }
#if EXTENSIONMETHODS_WITHNAMESPACE
}
#endif